version = the version of the API associated with the URL. See API Versions for the version number.

all = returns both service and product reviews.

merchant_identifier = the merchant's unique Feefo identifier, which in this example is example-retail-merchant.

children = determines if child account feedback will be included. In this example, if example_retail_merchant is a Feefo parent account with 10 child accounts, only the feedback from example_retail_merchant will be passed to the feed.